Antislipping projection for boots and shoes



Aug. 15, 1933.

w. H. BIRD 1,922,924

ANTISLIPPING PROJECTION FOR BOOTS AND SHOES Filed June 15, 1931 W 75 Eva Patented Aug. 15, 1933 UNITED STATES PATENT OFFICE ANTISLIPIING PROJECTION FOR BOOTS AND SHOES William Henry Bird, Wanganui, New Zealand Application June 15, 1931, Serial No..544,584, and in New Zealand July 1, 1930 2 Claims. (01. 36---59) This invention relates to anti-slipping projec secured to the boot. The under part of the base tions which are secured to the soles of boots and is slightly hollowed as at 8 to ensure the edge of shoes for the purpose of providing a good grip the base having a good bearing on the sole. on the ground, particularly in the case of boots A further reinforcement for the stud may conforiootball players and other athletes. sist in a core 9 passing through the opening '7 60 The object of the present invention is to proof the disc 6 and extending into the stud as far vide these projections of such a nature that they as desired, (see dotted lines Figure 4). Such core will be simple to attach in position and hard so may be of rubberized cotton or other suitable mathat great strength and wearing capacity will terial.

10 be given to the projection and consequent im- The stud itself would be made of vulcanized 65 proved non-slipping conditions to the boot. rubber by first incorporating the disc 6 with the According to the present invention, astud,hav softer rubber and then vulcanizing the whole ing an outwardly flared base portion by which stud to the required density, thus forming a it is attached to the sole of the boot or shoe, is strongly reinforced hard vulcanized stud which formed of hardened rubber strengthened by a will have no nails forming part of the stud itself. 70 metal reinforcement or reinforcements. This re- The vulcanizing may be to an extent which will inforcement extends through the base and into provide a very hard stud or one with considerable the stud and is incorporated in a body of india elasticity. rubber or similar material, the whole being The exterior of the stud may be of desired moulded to the required shape and vulcanized shape such as conical in Figures 2, 3 and 4, pyram- 75 or otherwise hardened to the necessary density. idal as inFigure 7, or other desired shape, the

The invention will be described with the aid point being rounded, flat or otherwise shaped.

of the accompanying drawing, wherein: Instead of rubber any other known substance Figure 1 is a; view of a boot having the invenwhich will give an equivalent result to the vultion applied thereto. canized rubber may be used. 80

Figure 2 is a side elevation of a stud fixed to What I claim is: the sole. 1. In anti-slipping projections for boots and Figure 3 is an inverted plan of the stud. shoes, a stud body of hard material having an Figure 4 is a cross section through the stud. outwardly extended and slightly hollowed base Figure 5 is a plan of the metal reinforcement. portion for attachment to the underside of the Figure 6 is a View of a reinforcement. sole of a boot or shoe, an annular metal rein- Figure 7 is a perspective View of a stud. forcing piece for the base and body, and a rein- Referring to the drawing, the non-slipping proforcing core passing centrally into the body iection comprises a stud 1 having an outwardly through the hollowed base portion and metal 35 flared or extended base 2, the end of the stud piece, substantially as described. 99 being rounded or otherwise shaped, the circular 2. In anti-slipping projections for boots and base portion 2 having holes 3 to receive nails 4 shoes, a stud body of'vulcanizable rubber having (or screws) for attaching the stud to the sole 5 an outwardly extended circular base portion for of a boot. The stud is reinforced by a metal disc attachment to the underside of the sole of a boot 40 6 preferably of aluminium or the like metal, this or shoe, an annular reinforcing metal piece exdisc being incorporated in the stud during the tending throughout the base and having a cenmanufaoture. The disc 6 is dished and has acentral opening, the edges of which are flared uptral opening 7, and the edges round the opening wards so as to pass upwardly into the body of are flared up as shown so as to pass into and rethe stud, and a further reinforcement consisting inforce the stud, the remainder of the disc formof a core of rubberized material passing centrally 190 ing most of the base of the stud and this strengthinto the stud, substantially as described. ening particularly the stud, at the portion to be WILLIAM HENRY BIRD. 

